1.ceil () /ceiling() 向上取整
ex: ceil(1.2) = 2
2.floor () 向下取整
ex: floor(1.2) = 1
3.round() 四舍五入
posted on 2012-03-07 16:32 段旭 阅读(2368) 评论(0) 编辑 收藏 所属分类: SQL
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